Astuti, E., Rahayuningsih, M. and Ngabekti, S. 2018. Development of Project-Based Learning Guide on Pollution and Environmental Conservation Material at SMA 1 Jekulo Kudus. Journal of Innovative Science Education. 7, 2 (Aug. 2018), 215-222. DOI:https://doi.org/10.15294/jise.v7i2.25021.